norelgestromin and its Impurities
Norelgestromin is used for contraception and menopausal hormonal therapy transdermally or in combination with ethinyl estradiol as a vaginal ring. It is sold under the brand names Evra and Ortho Evra. It is available as a generic medication. Reference standards of Norelgestromin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Norelgestromin Related Compound A (13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(6)-en-20-yn-3-on (1468465)
Norelgestromin Related Compound A (13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(6)-en-20-yn-3-on (1468465)
Catalogue No.:PA USP1468465
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


(8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one oxime
(8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one oxime
Catalogue No.:PA 14 1261000
CAS :
NA
Molecular Formula : C21H29NO2
Molecular Weight : 327.47


(8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one oxime
(8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one oxime
Catalogue No.:PA 14 1261001
CAS :
NA
Molecular Formula : C21H29NO2
Molecular Weight : 327.47